Home / 215,416.74-297,081.57-134,851.60

Finding the Fourth Proportional to 215,416.74, 297,081.57 and 134,851.60

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Solution

The fourth proportional to 215,416.74, 297,081.57 and 134,851.60 is: 185,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,416.74 : 297,081.57 = 134,851.60 : x
  2. Step 2: Convert to fraction form
    215,416.74/297,081.57 = 134,851.60/x
  3. Step 3: Cross multiply
    215,416.74x = 297,081.57 × 134,851.60
  4. Step 4: Simplify right side
    215,416.74x = 40,061,925,045.01
  5. Step 5: Solve for x
    x = 40,061,925,045.01/215,416.74
  6. Step 6: Final answer
    x = 185,974.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.